n = int(input())
l =list(map(int, input().split()))
ans = 0
for i in range(n):
        for j in range(i+1, n):
                for k in range(j+1, n):
                        if j > n-2 or k > n-1:
                                continue
                        if l[i] == l[j] or l[j] == l[k] or l[k] == l[i]:
                                continue
                        if abs(l[j] - l[k]) < l[i] < l[j] + l[k]:
                                ans += 1
print(ans) n = int(input()) n int(input()) int input() input l =list(map(int, input().split())) l list(map(int, input().split())) list map(int, input().split()) map int input().split() ().split () input split ans = 0 ans 0 for i in range(n):
        for j in range(i+1, n):
                for k in range(j+1, n):
                        if j > n-2 or k > n-1:
                                continue
                        if l[i] == l[j] or l[j] == l[k] or l[k] == l[i]:
                                continue
                        if abs(l[j] - l[k]) < l[i] < l[j] + l[k]:
                                ans += 1 i range(n) range n for j in range(i+1, n):
                for k in range(j+1, n):
                        if j > n-2 or k > n-1:
                                continue
                        if l[i] == l[j] or l[j] == l[k] or l[k] == l[i]:
                                continue
                        if abs(l[j] - l[k]) < l[i] < l[j] + l[k]:
                                ans += 1 j range(i+1, n) range i+1 i 1 n for k in range(j+1, n):
                        if j > n-2 or k > n-1:
                                continue
                        if l[i] == l[j] or l[j] == l[k] or l[k] == l[i]:
                                continue
                        if abs(l[j] - l[k]) < l[i] < l[j] + l[k]:
                                ans += 1 k range(j+1, n) range j+1 j 1 n if j > n-2 or k > n-1:
                                continue
                         j > n-2 or k > n-1 j > n-2 j n-2 n 2 k > n-1 k n-1 n 1 continue if l[i] == l[j] or l[j] == l[k] or l[k] == l[i]:
                                continue
                         l[i] == l[j] or l[j] == l[k] or l[k] == l[i] l[i] == l[j] or l[j] == l[k] l[i] == l[j] l[i] l i l[j] l j l[j] == l[k] l[j] l j l[k] l k l[k] == l[i] l[k] l k l[i] l i continue if abs(l[j] - l[k]) < l[i] < l[j] + l[k]:
                                ans += 1 abs(l[j] - l[k]) < l[i] < l[j] + l[k] abs(l[j] - l[k]) < l[i] abs(l[j] - l[k]) abs l[j] - l[k] l[j] l j l[k] l k l[i] l i l[j] + l[k] l[j] l j l[k] l k ans += 1 ans 1 print(ans) print ans ans = 0 0 ans ans += 1 1 ans l =list(map(int, input().split())) list(map(int, input().split())) l n = int(input()) int(input()) n
n = int(input())
l =list(map(int, input().split()))
ans = 0
for i in range(n):
        for j in range(i+1, n):
                for k in range(j+1, n):
                        if j > n-2 or k > n-1:
                                continue
                        if l[i] == l[j] or l[j] == l[k] or l[k] == l[i]:
                                continue
                        if abs(l[j] - l[k]) < l[i] < l[j] + l[k]:
                                ans += 1
print(ans)